diff --git a/ios/src_library/React Native/RNIError/RNIBaseError+Helpers.swift b/ios/src_library/React Native/RNIError/RNIBaseError+Helpers.swift
new file mode 100644
index 00000000..190537e0
--- /dev/null
+++ b/ios/src_library/React Native/RNIError/RNIBaseError+Helpers.swift	
@@ -0,0 +1,99 @@
+//
+//  RNIBaseError+Helpers.swift
+//  react-native-ios-modal
+//
+//  Created by Dominic Go on 5/12/23.
+//
+
+import Foundation
+
+extension RNIBaseError {
+
+  public var errorMessage: String {
+    var message = "message: \(self.message ?? "N/A")";
+    
+    #if DEBUG
+    message += " - debugMessage: \(self.debugMessage ?? "N/A")";
+    #endif
+    
+    if let fileID = self.fileID {
+      message += "- fileID: \(fileID)";
+    };
+    
+    if let functionName = self.functionName {
+      message += "- functionName: \(functionName)";
+    };
+    
+    if let lineNumber = self.lineNumber {
+      message += "- lineNumber: \(lineNumber)";
+    };
+    
+    return message;
+  };
+  
+  public init(
+    code: ErrorCode,
+    message: String? = nil,
+    debugMessage: String? = nil,
+    debugData: Dictionary<String, Any>? = nil,
+    fileID: String? = #fileID,
+    functionName: String? = #function,
+    lineNumber: Int? = #line
+  ) {
+    self.init(
+      code: code,
+      message: message,
+      debugMessage: debugMessage
+    );
+    
+    self.fileID = fileID;
+    self.functionName = functionName;
+    self.lineNumber = lineNumber;
+  };
+
+  public mutating func setDebugValues(
+    fileID: String = #fileID,
+    functionName: String = #function,
+    lineNumber: Int = #line
+  ) {
+    self.fileID = fileID;
+    self.functionName = functionName;
+    self.lineNumber = lineNumber;
+  };
+  
+  public mutating func addDebugData(_ nextDebugData: Dictionary<String, Any>){
+    guard let prevDebugData = self.debugData else {
+      self.debugData = nextDebugData;
+      return;
+    };
+    
+    self.debugData = prevDebugData.merging(nextDebugData) { (_, new) in new };
+  };
+};
+
+extension RNIBaseError where Self: RNIDictionarySynthesizable {
+
+  public var asNSError: NSError? {
+    
+    let errorCode = self.code.errorCode ??
+      RNIGenericErrorCode.unspecified.errorCode;
+      
+    guard let errorCode = errorCode else { return nil };
+    
+    return NSError(
+      domain: Self.domain,
+      code: errorCode,
+      userInfo: self.synthesizedJSDictionary
+    );
+  };
+  
+  public func invokePromiseRejectBlock(
+    _ block: @escaping RCTPromiseRejectBlock
+  ) {
+    block(
+      /* code    */ self.code.description,
+      /* message */ self.errorMessage,
+      /* error   */ self.asNSError
+    );
+  };
+};
diff --git a/ios/src_library/React Native/RNIError/RNIBaseError.swift b/ios/src_library/React Native/RNIError/RNIBaseError.swift
index abd35d2e..2fe9aa3f 100644
--- a/ios/src_library/React Native/RNIError/RNIBaseError.swift	
+++ b/ios/src_library/React Native/RNIError/RNIBaseError.swift	
@@ -10,52 +10,25 @@ import Foundation
 /// TODO - Move to `react-native-ios-utilities`
 /// * Replace older impl. of `RNIError` with this version
 
-public class RNIBaseError<E: RawRepresentable>: Error where E.RawValue == String  {
+public protocol RNIBaseError: Error where ErrorCode == any RNIErrorCode {
   
-  public var code: E;
-  public let domain: String;
+  associatedtype ErrorCode;
   
-  public let message: String?;
-  public let debug: String?;
+  static var domain: String { get };
   
-  public init(
-    code: E,
-    domain: String,
-    message: String? = nil,
-    debug: String? = nil
-  ) {
-    self.code = code;
-    self.domain = domain;
-    self.message = message;
-    self.debug = debug;
-  };
+  var code: ErrorCode { get };
+  var message: String? { get };
   
-  public func createJSONString() -> String? {
-    let encoder = JSONEncoder();
-    
-    guard let data = try? encoder.encode(self),
-          let jsonString = String(data: data, encoding: .utf8)
-    else { return nil };
-    
-    return jsonString;
-  };
-};
-
-// ----------------
-// MARK:- Encodable
-// ----------------
-
-extension RNIBaseError: Encodable {
-  enum CodingKeys: String, CodingKey {
-    case code, domain, message, debug;
-  };
+  var debugMessage: String? { get };
+  var debugData: Dictionary<String, Any>? { get set }
+  
+  var fileID      : String? { get set };
+  var functionName: String? { get set };
+  var lineNumber  : Int?    { get set };
   
-  public func encode(to encoder: Encoder) throws {
-    var container = encoder.container(keyedBy: CodingKeys.self);
-        
-    try container.encode(self.code.rawValue, forKey: .code);
-    try container.encode(self.domain, forKey: .domain);
-    try container.encode(self.message, forKey: .message);
-    try container.encode(self.debug, forKey: .debug);
-  };
+  init(
+    code: ErrorCode,
+    message: String?,
+    debugMessage: String?
+  );
 };
diff --git a/ios/src_library/React Native/RNIError/RNIError.swift b/ios/src_library/React Native/RNIError/RNIError.swift
new file mode 100644
index 00000000..c25c222c
--- /dev/null
+++ b/ios/src_library/React Native/RNIError/RNIError.swift	
@@ -0,0 +1,18 @@
+//
+//  RNIError.swift
+//  react-native-ios-modal
+//
+//  Created by Dominic Go on 5/12/23.
+//
+
+import Foundation
+
+public typealias RNIError =
+  RNIBaseError & RNIDictionarySynthesizable;
+
+public typealias RNIErrorCode =
+    CustomStringConvertible
+  & CaseIterable
+  & Equatable
+  & RNIErrorCodeDefaultable
+  & RNIErrorCodeSynthesizable;
diff --git a/ios/src_library/React Native/RNIError/RNIErrorCodeDefaultable.swift b/ios/src_library/React Native/RNIError/RNIErrorCodeDefaultable.swift
new file mode 100644
index 00000000..9a732311
--- /dev/null
+++ b/ios/src_library/React Native/RNIError/RNIErrorCodeDefaultable.swift	
@@ -0,0 +1,70 @@
+//
+//  RNIGenericErrorDefaultable.swift
+//  react-native-ios-utilities
+//
+//  Created by Dominic Go on 8/28/22.
+//
+
+import Foundation
+
+public protocol RNIErrorCodeDefaultable {
+
+  static var runtimeError   : Self { get };
+  static var libraryError   : Self { get };
+  static var reactError     : Self { get };
+  static var unknownError   : Self { get };
+  static var invalidArgument: Self { get };
+  static var outOfBounds    : Self { get };
+  static var invalidReactTag: Self { get };
+  static var nilValue       : Self { get };
+};
+
+// MARK: - Default
+// ---------------
+
+public extension RNIErrorCodeDefaultable {
+
+  static var runtimeError: Self {
+    Self.runtimeError
+  };
+
+  static var libraryError: Self {
+    Self.libraryError
+  };
+
+  static var reactError: Self {
+    Self.reactError
+  };
+
+  static var unknownError: Self {
+    Self.unknownError
+  };
+
+  static var invalidArgument: Self {
+    Self.invalidArgument
+  };
+
+  static var outOfBounds: Self {
+    Self.outOfBounds
+  };
+
+  static var invalidReactTag: Self {
+    Self.invalidReactTag
+  };
+
+  static var nilValue: Self {
+    Self.nilValue
+  };
+};
+
+// MARK: - Helpers
+// ---------------
+
+extension RNIErrorCodeDefaultable where Self: RawRepresentable<String> {
+
+  public var description: String {
+    self.rawValue;
+  };
+};
+
+
diff --git a/ios/src_library/React Native/RNIError/RNIErrorCodeSynthesizable.swift b/ios/src_library/React Native/RNIError/RNIErrorCodeSynthesizable.swift
new file mode 100644
index 00000000..adece050
--- /dev/null
+++ b/ios/src_library/React Native/RNIError/RNIErrorCodeSynthesizable.swift	
@@ -0,0 +1,24 @@
+//
+//  RNIErrorCodeSynthesizable.swift
+//  react-native-ios-modal
+//
+//  Created by Dominic Go on 5/12/23.
+//
+
+import Foundation
+
+public protocol RNIErrorCodeSynthesizable {
+  var errorCode: Int? { get };
+}
+
+extension RNIErrorCodeSynthesizable where Self: CaseIterable & Equatable {
+  
+  public var errorCode: Int? {
+    let match = Self.allCases.enumerated().first { _, value in
+      value == self
+    }
+    
+    guard let offset = match?.offset else { return nil };
+    return offset * -1;
+  };
+};
diff --git a/ios/src_library/React Native/RNIError/RNIGenericError.swift b/ios/src_library/React Native/RNIError/RNIGenericError.swift
deleted file mode 100644
index af4895f3..00000000
--- a/ios/src_library/React Native/RNIError/RNIGenericError.swift	
+++ /dev/null
@@ -1,25 +0,0 @@
-//
-//  RNIGenericError.swift
-//  react-native-ios-utilities
-//
-//  Created by Dominic Go on 4/21/22.
-//
-
-import Foundation
-
-
-public class RNIGenericError: RNIBaseError<RNIGenericErrorCode> {
-  
-  init(
-    code: RNIGenericErrorCode,
-    message: String? = nil,
-    debug: String? = nil
-  ) {
-    super.init(
-      code: code,
-      domain: "react-native-ios-utilities",
-      message: message,
-      debug: debug
-    );
-  };
-};
diff --git a/ios/src_library/React Native/RNIError/RNIGenericErrorCode.swift b/ios/src_library/React Native/RNIError/RNIGenericErrorCode.swift
index a4adcced..728942a7 100644
--- a/ios/src_library/React Native/RNIError/RNIGenericErrorCode.swift	
+++ b/ios/src_library/React Native/RNIError/RNIGenericErrorCode.swift	
@@ -1,16 +1,15 @@
 //
 //  RNIGenericErrorCode.swift
-//  react-native-ios-utilities
+//  react-native-ios-modal
 //
-//  Created by Dominic Go on 4/21/22.
+//  Created by Dominic Go on 5/12/23.
 //
 
 import Foundation
 
 
-public enum RNIGenericErrorCode:
-  String, Codable, CaseIterable, RNIGenericErrorDefaultable {
+enum RNIGenericErrorCode:
+  String, CaseIterable, RNIErrorCodeDefaultable, RNIErrorCodeSynthesizable {
   
-  // placeholder
   case unspecified;
 };
diff --git a/ios/src_library/React Native/RNIError/RNIGenericErrorDefaultable+Default.swift b/ios/src_library/React Native/RNIError/RNIGenericErrorDefaultable+Default.swift
deleted file mode 100644
index 6bc7ceea..00000000
--- a/ios/src_library/React Native/RNIError/RNIGenericErrorDefaultable+Default.swift	
+++ /dev/null
@@ -1,42 +0,0 @@
-//
-//  RNIGenericErrorDefaultable+Default.swift
-//  react-native-ios-modal
-//
-//  Created by Dominic Go on 5/10/23.
-//
-
-import Foundation
-
-public extension RNIGenericErrorDefaultable {
-  static var runtimeError: Self {
-    Self.runtimeError
-  };
-
-  static var libraryError: Self {
-    Self.libraryError
-  };
-
-  static var reactError: Self {
-    Self.reactError
-  };
-
-  static var unknownError: Self {
-    Self.unknownError
-  };
-
-  static var invalidArgument: Self {
-    Self.invalidArgument
-  };
-
-  static var outOfBounds: Self {
-    Self.outOfBounds
-  };
-
-  static var invalidReactTag: Self {
-    Self.invalidReactTag
-  };
-
-  static var nilValue: Self {
-    Self.nilValue
-  };
-};
diff --git a/ios/src_library/React Native/RNIError/RNIGenericErrorDefaultable.swift b/ios/src_library/React Native/RNIError/RNIGenericErrorDefaultable.swift
deleted file mode 100644
index 4c684e1a..00000000
--- a/ios/src_library/React Native/RNIError/RNIGenericErrorDefaultable.swift	
+++ /dev/null
@@ -1,20 +0,0 @@
-//
-//  RNIGenericErrorDefaultable.swift
-//  react-native-ios-utilities
-//
-//  Created by Dominic Go on 8/28/22.
-//
-
-import Foundation
-
-
-public protocol RNIGenericErrorDefaultable {
-  static var runtimeError   : Self { get };
-  static var libraryError   : Self { get };
-  static var reactError     : Self { get };
-  static var unknownError   : Self { get };
-  static var invalidArgument: Self { get };
-  static var outOfBounds    : Self { get };
-  static var invalidReactTag: Self { get };
-  static var nilValue       : Self { get };
-};